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-rwxr-xr-xconfigure71
1 files changed, 41 insertions, 30 deletions
diff --git a/configure b/configure
index 31e30b0739..0fffa4b7fb 100755
--- a/configure
+++ b/configure
@@ -1636,7 +1636,7 @@ else
fi
if test "$BASH" != no &&
- $BASH -c 'test "$BASH_VERSINFO"
+ $BASH -c 'test "$BASH_VERSINFO" \
&& test "$BASH_VERSINFO" -ge 2 >&/dev/null'; then
libc_cv_have_bash2=yes
else
@@ -1946,15 +1946,19 @@ _sym:
.symver _sym,sym@VERS
EOF
cat > conftest.map <<EOF
-VERS {
+VERS_1 {
global: sym;
};
+
+VERS_2 {
+ global: sym;
+} VERS_1;
EOF
if ${CC-cc} -c $CFLAGS $CPPFLAGS conftest.s 1>&5 2>&5; then
if { ac_try='${CC-cc} $CFLAGS -shared -o conftest.so conftest.o
-nostartfiles -nostdlib
-Wl,--version-script,conftest.map
- 1>&5'; { (eval echo configure:1958: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
+ 1>&5'; { (eval echo configure:1962: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
then
libc_cv_ld_version_script_option=yes
else
@@ -1983,9 +1987,16 @@ else
fi
+if test $VERSIONING = no; then
+ echo "\
+*** WARNING: You should not compile GNU libc without versioning. Not using
+*** versioning will introduce incompatibilities so that old binaries
+*** will not run anymore.
+*** For versioning you need recent binutils (binutils-2.8.1.0.17 or newer)."
+fi
if test $elf = yes; then
echo $ac_n "checking for .previous assembler directive""... $ac_c" 1>&6
-echo "configure:1989: checking for .previous assembler directive" >&5
+echo "configure:2000: checking for .previous assembler directive" >&5
if eval "test \"`echo '$''{'libc_cv_asm_previous_directive'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -1993,7 +2004,7 @@ else
.section foo_section
.previous
EOF
- if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:1997: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+ if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:2008: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
libc_cv_asm_previous_directive=yes
else
libc_cv_asm_previous_directive=no
@@ -2009,7 +2020,7 @@ EOF
else
echo $ac_n "checking for .popsection assembler directive""... $ac_c" 1>&6
-echo "configure:2013: checking for .popsection assembler directive" >&5
+echo "configure:2024: checking for .popsection assembler directive" >&5
if eval "test \"`echo '$''{'libc_cv_asm_popsection_directive'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -2017,7 +2028,7 @@ else
.pushsection foo_section
.popsection
EOF
- if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:2021: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+ if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:2032: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
libc_cv_asm_popsection_directive=yes
else
libc_cv_asm_popsection_directive=no
@@ -2037,12 +2048,12 @@ fi
if test $elf != yes; then
echo $ac_n "checking for .init and .fini sections""... $ac_c" 1>&6
-echo "configure:2041: checking for .init and .fini sections" >&5
+echo "configure:2052: checking for .init and .fini sections" >&5
if eval "test \"`echo '$''{'libc_cv_have_initfini'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 2046 "configure"
+#line 2057 "configure"
#include "confdefs.h"
int main() {
@@ -2051,7 +2062,7 @@ asm (".section .init");
asm (".text");
; return 0; }
EOF
-if { (eval echo configure:2055: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2066: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
libc_cv_have_initfini=yes
else
@@ -2079,19 +2090,19 @@ if test $elf = yes; then
else
if test $ac_cv_prog_cc_works = yes; then
echo $ac_n "checking for _ prefix on C symbol names""... $ac_c" 1>&6
-echo "configure:2083: checking for _ prefix on C symbol names" >&5
+echo "configure:2094: checking for _ prefix on C symbol names" >&5
if eval "test \"`echo '$''{'libc_cv_asm_underscores'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 2088 "configure"
+#line 2099 "configure"
#include "confdefs.h"
asm ("_glibc_foobar:");
int main() {
glibc_foobar ();
; return 0; }
EOF
-if { (eval echo configure:2095: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2106: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest*
libc_cv_asm_underscores=yes
else
@@ -2106,17 +2117,17 @@ fi
echo "$ac_t""$libc_cv_asm_underscores" 1>&6
else
echo $ac_n "checking for _ prefix on C symbol names""... $ac_c" 1>&6
-echo "configure:2110: checking for _ prefix on C symbol names" >&5
+echo "configure:2121: checking for _ prefix on C symbol names" >&5
if eval "test \"`echo '$''{'libc_cv_asm_underscores'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 2115 "configure"
+#line 2126 "configure"
#include "confdefs.h"
void underscore_test(void) {
return; }
EOF
-if { (eval echo configure:2120: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2131: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if grep _underscore_test conftest* >/dev/null; then
rm -f conftest*
libc_cv_asm_underscores=yes
@@ -2149,7 +2160,7 @@ if test $elf = yes; then
libc_cv_asm_weakext_directive=no
else
echo $ac_n "checking for assembler .weak directive""... $ac_c" 1>&6
-echo "configure:2153: checking for assembler .weak directive" >&5
+echo "configure:2164: checking for assembler .weak directive" >&5
if eval "test \"`echo '$''{'libc_cv_asm_weak_directive'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -2172,7 +2183,7 @@ echo "$ac_t""$libc_cv_asm_weak_directive" 1>&6
if test $libc_cv_asm_weak_directive = no; then
echo $ac_n "checking for assembler .weakext directive""... $ac_c" 1>&6
-echo "configure:2176: checking for assembler .weakext directive" >&5
+echo "configure:2187: checking for assembler .weakext directive" >&5
if eval "test \"`echo '$''{'libc_cv_asm_weakext_directive'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -2209,7 +2220,7 @@ EOF
fi
echo $ac_n "checking for ld --no-whole-archive""... $ac_c" 1>&6
-echo "configure:2213: checking for ld --no-whole-archive" >&5
+echo "configure:2224: checking for ld --no-whole-archive" >&5
if eval "test \"`echo '$''{'libc_cv_ld_no_whole_archive'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -2220,7 +2231,7 @@ __throw () {}
EOF
if { ac_try='${CC-cc} $CFLAGS
-nostdlib -nostartfiles -Wl,--no-whole-archive
- -o conftest conftest.c 1>&5'; { (eval echo configure:2224: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+ -o conftest conftest.c 1>&5'; { (eval echo configure:2235: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
libc_cv_ld_no_whole_archive=yes
else
libc_cv_ld_no_whole_archive=no
@@ -2231,7 +2242,7 @@ fi
echo "$ac_t""$libc_cv_ld_no_whole_archive" 1>&6
echo $ac_n "checking for gcc -fno-exceptions""... $ac_c" 1>&6
-echo "configure:2235: checking for gcc -fno-exceptions" >&5
+echo "configure:2246: checking for gcc -fno-exceptions" >&5
if eval "test \"`echo '$''{'libc_cv_gcc_no_exceptions'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -2242,7 +2253,7 @@ __throw () {}
EOF
if { ac_try='${CC-cc} $CFLAGS
-nostdlib -nostartfiles -fno-exceptions
- -o conftest conftest.c 1>&5'; { (eval echo configure:2246: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+ -o conftest conftest.c 1>&5'; { (eval echo configure:2257: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
libc_cv_gcc_no_exceptions=yes
else
libc_cv_gcc_no_exceptions=no
@@ -2253,12 +2264,12 @@ fi
echo "$ac_t""$libc_cv_gcc_no_exceptions" 1>&6
echo $ac_n "checking for DWARF2 unwind info support""... $ac_c" 1>&6
-echo "configure:2257: checking for DWARF2 unwind info support" >&5
+echo "configure:2268: checking for DWARF2 unwind info support" >&5
if eval "test \"`echo '$''{'libc_cv_gcc_dwarf2_unwind_info'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.c <<EOF
-#line 2262 "configure"
+#line 2273 "configure"
static char __EH_FRAME_BEGIN__;
_start ()
{
@@ -2279,7 +2290,7 @@ __bzero () {}
EOF
if { ac_try='${CC-cc} $CFLAGS
-nostdlib -nostartfiles
- -o conftest conftest.c -lgcc >&5'; { (eval echo configure:2283: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+ -o conftest conftest.c -lgcc >&5'; { (eval echo configure:2294: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
libc_cv_gcc_dwarf2_unwind_info=yes
else
libc_cv_gcc_dwarf2_unwind_info=no
@@ -2337,7 +2348,7 @@ if test "$uname" = "sysdeps/generic"; then
fi
echo $ac_n "checking OS release for uname""... $ac_c" 1>&6
-echo "configure:2341: checking OS release for uname" >&5
+echo "configure:2352: checking OS release for uname" >&5
if eval "test \"`echo '$''{'libc_cv_uname_release'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -2359,7 +2370,7 @@ echo "$ac_t""$libc_cv_uname_release" 1>&6
uname_release="$libc_cv_uname_release"
echo $ac_n "checking OS version for uname""... $ac_c" 1>&6
-echo "configure:2363: checking OS version for uname" >&5
+echo "configure:2374: checking OS version for uname" >&5
if eval "test \"`echo '$''{'libc_cv_uname_version'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -2381,7 +2392,7 @@ else
fi
echo $ac_n "checking stdio selection""... $ac_c" 1>&6
-echo "configure:2385: checking stdio selection" >&5
+echo "configure:2396: checking stdio selection" >&5
case $stdio in
libio) cat >> confdefs.h <<\EOF
@@ -2393,7 +2404,7 @@ esac
echo "$ac_t""$stdio" 1>&6
echo $ac_n "checking ldap selection""... $ac_c" 1>&6
-echo "configure:2397: checking ldap selection" >&5
+echo "configure:2408: checking ldap selection" >&5
case $add_ons in
*ldap*)
@@ -2443,7 +2454,7 @@ if test $shared = default; then
fi
echo $ac_n "checking whether -fPIC is default""... $ac_c" 1>&6
-echo "configure:2447: checking whether -fPIC is default" >&5
+echo "configure:2458: checking whether -fPIC is default" >&5
if eval "test \"`echo '$''{'pic_default'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
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